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Individual Calculations December 2021 |
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| Gudnyjarson, Sigurdur Pall Total change: 116.00 | |   |
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| U2000 motid 2021 | REykjavik | ISL | 2021-10-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1494 | 1212 | 2.00 | 4 | 1.25 | 40 | 50.00 | |
|  Stefansson, David | | | 1612 * | ISL | 1.00 | 1 | 0.92 | 40 | 36.80 | |  Geirsson, Kristjan | | | 1612 * | ISL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Grettisson, Arnar Breki | | | 1477 | ISL | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Omarsson, Josef | | | 1274 | ISL | 1.00 | 1 | 0.59 | 40 | 23.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Lilla Hasselbacken Chess Open 2021 lang | Stockholm | SWE | 2021-11-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1333 | 1244 | 2.00 | 3 | 0.86 | 40 | 34.40 | |
| | Truskavetska, Solomia | | | 1412 | SWE | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Seo, Jung Hoon | | | 1296 | SWE | 1.00 | 1 | 0.57 | 40 | 22.80 | | | Wallin, Hans | | | 1292 | SWE | 1.00 | 1 | 0.57 | 40 | 22.80 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Gardabaer Championship 2021 rounds 5-7 | Gardabaer | ISL | 2021-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1479 | 1244 | 1.00 | 1 | 0.79 | 40 | 31.60 | |
| | Jonsson, Stefan Daniel | | | 1479 | ISL | 1.00 | 1 | 0.79 | 40 | 31.60 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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